html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}
body,
p,
dl,
dd,
ul,
ol,
li,
div,
h1,
h2,
h3,
h4,
h5,
h6,
form,
input,
table,
tr,
td {
  margin: 0;
  padding: 0;
}
body {
  font-family: '微软雅黑', Arial;
}
ul,
ol {
  list-style: none;
}
img {
  border: 0;
}
a {
  text-decoration: none;
}
